265832221 has 8 divisors (see below), whose sum is σ = 267284864. Its totient is φ = 264384000.

The previous prime is 265832207. The next prime is 265832227. The reversal of 265832221 is 122238562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 265832221 - 2⁷ = 265832093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265832227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229981 + ... + 231133.

It is an arithmetic number, because the mean of its divisors is an integer number (33410608).

Almost surely, 2^265832221 is an apocalyptic number.

It is an amenable number.

265832221 is a deficient number, since it is larger than the sum of its proper divisors (1452643).

265832221 is a wasteful number, since it uses less digits than its factorization.

265832221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211.

The product of its digits is 11520, while the sum is 31.

The square root of 265832221 is about 16304.3620237040. The cubic root of 265832221 is about 642.9875145417.

The spelling of 265832221 in words is "two hundred sixty-five million, eight hundred thirty-two thousand, two hundred twenty-one".